The One Systems ONE.SL15 is a weather-protected, direct-radiating 15-inch two-way loudspeaker solution for professional audio applications indoors or for non-coastal uses outdoors. The system's direct-radiating transducers include a 15-inch woofer with a 3-inch voice coil and a compression driver with a 2.5-inch pure titanium diaphragm coupled to a large-sizedrotatable 60 x 40-degree horn. The ONE.SL15's enclosure is rotomolded of High-Density Polyethylene (HDPE) with internal steel reinforcements for added strength and to minimize resonances. The enclosure is ported to enhance its low frequency performance and the speaker delivers solid, extended low end response that adds power to music reproduction. The ONE.SL15's input section features an input weather cover with an IP 68-rated gland nut and an input barrier strip with stainless steel hardware. The enclosure is equipped with 10 x M10 integrated stainless steel rigging points for the speaker's included heavy-duty U-Bracket for mounting to walls or ceilings or for use with other hardware for installation flexibility. An optional pole mount bracket with tilt capability is also available for additional installation flexibility. The ONE.SL15's vented enclosure and premium components provide high output capability, precise vocals and accurate music reproduction with rich, solid bass response.